269 строки
8.8 KiB
C
269 строки
8.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM v4l2
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#if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_V4L2_H
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#include <linux/tracepoint.h>
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#include <media/videobuf2-v4l2.h>
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/* Enums require being exported to userspace, for user tool parsing */
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#undef EM
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#undef EMe
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#define EM(a, b) TRACE_DEFINE_ENUM(a);
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#define EMe(a, b) TRACE_DEFINE_ENUM(a);
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#define show_type(type) \
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__print_symbolic(type, SHOW_TYPE)
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#define SHOW_TYPE \
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EM( V4L2_BUF_TYPE_VIDEO_CAPTURE, "VIDEO_CAPTURE" ) \
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EM( V4L2_BUF_TYPE_VIDEO_OUTPUT, "VIDEO_OUTPUT" ) \
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EM( V4L2_BUF_TYPE_VIDEO_OVERLAY, "VIDEO_OVERLAY" ) \
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EM( V4L2_BUF_TYPE_VBI_CAPTURE, "VBI_CAPTURE" ) \
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EM( V4L2_BUF_TYPE_VBI_OUTPUT, "VBI_OUTPUT" ) \
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EM( V4L2_BUF_TYPE_SLICED_VBI_CAPTURE, "SLICED_VBI_CAPTURE" ) \
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EM( V4L2_BUF_TYPE_SLICED_VBI_OUTPUT, "SLICED_VBI_OUTPUT" ) \
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EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" ) \
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EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
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EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, "VIDEO_OUTPUT_MPLANE" ) \
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EM( V4L2_BUF_TYPE_SDR_CAPTURE, "SDR_CAPTURE" ) \
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EM( V4L2_BUF_TYPE_SDR_OUTPUT, "SDR_OUTPUT" ) \
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EM( V4L2_BUF_TYPE_META_CAPTURE, "META_CAPTURE" ) \
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EMe(V4L2_BUF_TYPE_PRIVATE, "PRIVATE" )
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SHOW_TYPE
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#define show_field(field) \
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__print_symbolic(field, SHOW_FIELD)
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#define SHOW_FIELD \
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EM( V4L2_FIELD_ANY, "ANY" ) \
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EM( V4L2_FIELD_NONE, "NONE" ) \
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EM( V4L2_FIELD_TOP, "TOP" ) \
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EM( V4L2_FIELD_BOTTOM, "BOTTOM" ) \
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EM( V4L2_FIELD_INTERLACED, "INTERLACED" ) \
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EM( V4L2_FIELD_SEQ_TB, "SEQ_TB" ) \
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EM( V4L2_FIELD_SEQ_BT, "SEQ_BT" ) \
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EM( V4L2_FIELD_ALTERNATE, "ALTERNATE" ) \
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EM( V4L2_FIELD_INTERLACED_TB, "INTERLACED_TB" ) \
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EMe( V4L2_FIELD_INTERLACED_BT, "INTERLACED_BT" )
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SHOW_FIELD
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/*
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* Now redefine the EM() and EMe() macros to map the enums to the strings
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* that will be printed in the output.
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*/
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#undef EM
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#undef EMe
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#define EM(a, b) {a, b},
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#define EMe(a, b) {a, b}
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/* V4L2_TC_TYPE_* are macros, not defines, they do not need processing */
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#define show_timecode_type(type) \
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__print_symbolic(type, \
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{ V4L2_TC_TYPE_24FPS, "24FPS" }, \
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{ V4L2_TC_TYPE_25FPS, "25FPS" }, \
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{ V4L2_TC_TYPE_30FPS, "30FPS" }, \
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{ V4L2_TC_TYPE_50FPS, "50FPS" }, \
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{ V4L2_TC_TYPE_60FPS, "60FPS" })
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#define show_flags(flags) \
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__print_flags(flags, "|", \
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{ V4L2_BUF_FLAG_MAPPED, "MAPPED" }, \
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{ V4L2_BUF_FLAG_QUEUED, "QUEUED" }, \
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{ V4L2_BUF_FLAG_DONE, "DONE" }, \
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{ V4L2_BUF_FLAG_KEYFRAME, "KEYFRAME" }, \
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{ V4L2_BUF_FLAG_PFRAME, "PFRAME" }, \
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{ V4L2_BUF_FLAG_BFRAME, "BFRAME" }, \
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{ V4L2_BUF_FLAG_ERROR, "ERROR" }, \
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{ V4L2_BUF_FLAG_TIMECODE, "TIMECODE" }, \
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{ V4L2_BUF_FLAG_PREPARED, "PREPARED" }, \
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{ V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \
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{ V4L2_BUF_FLAG_NO_CACHE_CLEAN, "NO_CACHE_CLEAN" }, \
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{ V4L2_BUF_FLAG_TIMESTAMP_MASK, "TIMESTAMP_MASK" }, \
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{ V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN, "TIMESTAMP_UNKNOWN" }, \
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{ V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \
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{ V4L2_BUF_FLAG_TIMESTAMP_COPY, "TIMESTAMP_COPY" }, \
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{ V4L2_BUF_FLAG_LAST, "LAST" })
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#define show_timecode_flags(flags) \
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__print_flags(flags, "|", \
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{ V4L2_TC_FLAG_DROPFRAME, "DROPFRAME" }, \
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{ V4L2_TC_FLAG_COLORFRAME, "COLORFRAME" }, \
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{ V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \
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{ V4L2_TC_USERBITS_8BITCHARS, "USERBITS_8BITCHARS" })
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DECLARE_EVENT_CLASS(v4l2_event_class,
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TP_PROTO(int minor, struct v4l2_buffer *buf),
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TP_ARGS(minor, buf),
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TP_STRUCT__entry(
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__field(int, minor)
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__field(u32, index)
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__field(u32, type)
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__field(u32, bytesused)
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__field(u32, flags)
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__field(u32, field)
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__field(s64, timestamp)
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__field(u32, timecode_type)
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__field(u32, timecode_flags)
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__field(u8, timecode_frames)
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__field(u8, timecode_seconds)
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__field(u8, timecode_minutes)
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__field(u8, timecode_hours)
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__field(u8, timecode_userbits0)
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__field(u8, timecode_userbits1)
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__field(u8, timecode_userbits2)
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__field(u8, timecode_userbits3)
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__field(u32, sequence)
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),
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TP_fast_assign(
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__entry->minor = minor;
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__entry->index = buf->index;
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__entry->type = buf->type;
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__entry->bytesused = buf->bytesused;
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__entry->flags = buf->flags;
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__entry->field = buf->field;
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__entry->timestamp = timeval_to_ns(&buf->timestamp);
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__entry->timecode_type = buf->timecode.type;
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__entry->timecode_flags = buf->timecode.flags;
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__entry->timecode_frames = buf->timecode.frames;
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__entry->timecode_seconds = buf->timecode.seconds;
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__entry->timecode_minutes = buf->timecode.minutes;
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__entry->timecode_hours = buf->timecode.hours;
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__entry->timecode_userbits0 = buf->timecode.userbits[0];
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__entry->timecode_userbits1 = buf->timecode.userbits[1];
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__entry->timecode_userbits2 = buf->timecode.userbits[2];
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__entry->timecode_userbits3 = buf->timecode.userbits[3];
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__entry->sequence = buf->sequence;
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),
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TP_printk("minor = %d, index = %u, type = %s, bytesused = %u, "
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"flags = %s, field = %s, timestamp = %llu, "
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"timecode = { type = %s, flags = %s, frames = %u, "
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"seconds = %u, minutes = %u, hours = %u, "
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"userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
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__entry->index, show_type(__entry->type),
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__entry->bytesused,
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show_flags(__entry->flags),
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show_field(__entry->field),
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__entry->timestamp,
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show_timecode_type(__entry->timecode_type),
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show_timecode_flags(__entry->timecode_flags),
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__entry->timecode_frames,
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__entry->timecode_seconds,
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__entry->timecode_minutes,
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__entry->timecode_hours,
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__entry->timecode_userbits0,
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__entry->timecode_userbits1,
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__entry->timecode_userbits2,
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__entry->timecode_userbits3,
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__entry->sequence
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)
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)
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DEFINE_EVENT(v4l2_event_class, v4l2_dqbuf,
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TP_PROTO(int minor, struct v4l2_buffer *buf),
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TP_ARGS(minor, buf)
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);
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DEFINE_EVENT(v4l2_event_class, v4l2_qbuf,
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TP_PROTO(int minor, struct v4l2_buffer *buf),
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TP_ARGS(minor, buf)
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);
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DECLARE_EVENT_CLASS(vb2_v4l2_event_class,
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TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
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TP_ARGS(q, vb),
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TP_STRUCT__entry(
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__field(int, minor)
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__field(u32, flags)
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__field(u32, field)
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__field(u64, timestamp)
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__field(u32, timecode_type)
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__field(u32, timecode_flags)
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__field(u8, timecode_frames)
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__field(u8, timecode_seconds)
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__field(u8, timecode_minutes)
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__field(u8, timecode_hours)
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__field(u8, timecode_userbits0)
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__field(u8, timecode_userbits1)
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__field(u8, timecode_userbits2)
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__field(u8, timecode_userbits3)
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__field(u32, sequence)
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),
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TP_fast_assign(
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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struct v4l2_fh *owner = q->owner;
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__entry->minor = owner ? owner->vdev->minor : -1;
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__entry->flags = vbuf->flags;
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__entry->field = vbuf->field;
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__entry->timestamp = vb->timestamp;
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__entry->timecode_type = vbuf->timecode.type;
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__entry->timecode_flags = vbuf->timecode.flags;
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__entry->timecode_frames = vbuf->timecode.frames;
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__entry->timecode_seconds = vbuf->timecode.seconds;
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__entry->timecode_minutes = vbuf->timecode.minutes;
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__entry->timecode_hours = vbuf->timecode.hours;
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__entry->timecode_userbits0 = vbuf->timecode.userbits[0];
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__entry->timecode_userbits1 = vbuf->timecode.userbits[1];
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__entry->timecode_userbits2 = vbuf->timecode.userbits[2];
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__entry->timecode_userbits3 = vbuf->timecode.userbits[3];
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__entry->sequence = vbuf->sequence;
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),
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TP_printk("minor=%d flags = %s, field = %s, "
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"timestamp = %llu, timecode = { type = %s, flags = %s, "
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"frames = %u, seconds = %u, minutes = %u, hours = %u, "
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"userbits = { %u %u %u %u } }, sequence = %u", __entry->minor,
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show_flags(__entry->flags),
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show_field(__entry->field),
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__entry->timestamp,
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show_timecode_type(__entry->timecode_type),
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show_timecode_flags(__entry->timecode_flags),
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__entry->timecode_frames,
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__entry->timecode_seconds,
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__entry->timecode_minutes,
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__entry->timecode_hours,
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__entry->timecode_userbits0,
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__entry->timecode_userbits1,
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__entry->timecode_userbits2,
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__entry->timecode_userbits3,
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__entry->sequence
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)
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)
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DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_done,
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TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
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TP_ARGS(q, vb)
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);
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DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_buf_queue,
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TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
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TP_ARGS(q, vb)
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);
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DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_dqbuf,
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TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
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TP_ARGS(q, vb)
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);
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DEFINE_EVENT(vb2_v4l2_event_class, vb2_v4l2_qbuf,
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TP_PROTO(struct vb2_queue *q, struct vb2_buffer *vb),
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TP_ARGS(q, vb)
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);
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#endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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